CN209892804U

CN209892804U - One-way flow regulating control valve

Info

Publication number: CN209892804U
Application number: CN201920428541.2U
Authority: CN
Inventors: 盛志明; 蒋可贞; 韩光前
Original assignee: Ningbo Fenghua Sheng Ling Pneumatic Mechanical And Electrical Co Ltd
Current assignee: Ningbo Fenghua Sheng Ling Pneumatic Mechanical And Electrical Co Ltd
Priority date: 2019-04-01
Filing date: 2019-04-01
Publication date: 2020-01-03
Anticipated expiration: 2029-04-01

Abstract

The utility model relates to the technical field of valve bodies, in particular to a one-way flow regulating control valve, which comprises a valve seat and a valve body, wherein a regulating rod and a first sealing ring are arranged in the valve seat, the regulating rod is in threaded connection with the valve seat, a sliding spacer sleeve, an end cap and a spring are arranged in the valve body, one end of the spring is connected with the end cap, the other end of the spring is connected with the sliding spacer sleeve, the sliding spacer sleeve is sleeved in the valve body, the end cap is in threaded connection with the valve body, the utility model has the characteristics of simple structure and convenient operation by the threaded connection of the regulating rod and the valve seat, when the regulating rod is screwed, the regulating rod is enabled to move up and down relative to the valve seat, the opening size of the regulating rod and a second valve port can be controlled, the displacement size of a first opening can be controlled, the adjusting process is stable and reliable.

Description

One-way flow regulating control valve

Technical Field

The utility model relates to a valve body technical field, in particular to one-way flow control valve.

Background

In modern automatic controls, which play a very important role, regulating valves, which control the correct distribution and control of the medium, whether it be the exchange of energy, the reduction of pressure or a simple charging of the vessel, require some final control element to accomplish, are generally classified: pneumatic governing valve, electric control valve, governing valve and self-operated governing valve surges, general governing valve has the medium flow that two-way regulation passes through the valve body, such governing valve structural design is all more complicated, consequently, the accommodation process is also more loaded down with trivial details, in some service environment, only need the valve body one direction carry on the flow adjustable can, this will cause the function of governing valve to be extravagant, the user demand of unsuitable market, and because the structure of governing valve is complicated, the accommodation process is more loaded down with trivial details, therefore during the regulation flow, there are more unstable factors easily, and when the medium is high-pressure gas, the requirement to the leakproofness of governing valve will greatly increased, and the sealing performance of general governing valve is relatively poor, this will seriously influence the normal use of governing valve.

SUMMERY OF THE UTILITY MODEL

To the current situation of above-mentioned prior art, the utility model aims to solve the technical problem that an one-way flow control valve that easy operation, reliable and stable and leakproofness are good is provided.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a one-way flow regulating control valve comprises a valve seat and a valve body, wherein the valve body is fixedly connected with the valve seat, a regulating rod and a first sealing ring are arranged in the valve seat, the first sealing ring is sleeved on the regulating rod, the regulating rod is in threaded connection with the valve seat, a sliding spacer sleeve, a plug and a spring are arranged in the valve body, one end of the spring is connected with the plug, the other end of the spring is connected with the sliding spacer sleeve, the sliding spacer sleeve is sleeved in the valve body, the plug is in threaded connection with the valve body, the threaded connection has the characteristics of simple structure and convenience in operation, when the regulating rod is screwed, the regulating rod is enabled to move up and down relative to the valve seat, the opening sizes of the regulating rod and a second valve port can be controlled, the displacement of the first opening is controlled, the regulating process is easy to operate, and the threaded connection is not, the adjusting process is stable and reliable, and the method has the advantages of simple operation, stability and reliability.

Preferably, be provided with the second sealing washer on the disk seat, the second sealing washer inboard cup joints on the disk seat, the second sealing washer outside cup joints in the valve body, because the inboard cup joint of second sealing washer on the disk seat, the second sealing washer outside cup joints in the valve body, the second sealing washer makes the leakproofness of being connected between valve body and the disk seat good, can effectually avoid the medium outwards reveal along the clearance between disk seat and the valve body, its advantage leakproofness is good.

Preferably, the sliding spacer sleeve is provided with a third sealing ring, the third sealing ring is sleeved in the sliding spacer sleeve and used for sealing the sliding spacer sleeve and the valve body, when the second opening is an inlet, a medium can be effectively prevented from directly entering the first valve port from the sliding spacer sleeve, and if the medium directly enters the first valve port from the sliding spacer sleeve, the discharge of the medium at the first opening cannot be adjusted, so that the third sealing ring can effectively improve the working reliability of the control valve, and the control valve has the advantages of stability and reliability.

Preferably, the valve body is further provided with a first valve port and a second valve port, the second valve port is communicated with the first valve port, the right end of the first valve port is provided with a first opening, the first opening is communicated with the first valve port, and as the second valve port is communicated with the first valve port, when a medium flows in from the second opening, the size of the opening of the second valve port can be adjusted through the adjusting rod, so that the displacement of the first opening is controlled, and therefore the second valve port is used for controlling the displacement of the first opening.

Preferably, the front end of valve body is provided with second opening and fourth sealing washer, the fourth sealing washer cup joints in the second opening, the second opening with the spring is linked together, because the fourth sealing washer cup joints in the second opening, cup joint simple structure, easy to assemble and change fourth sealing washer, its advantage easy operation.

Compared with the prior art, the utility model has the advantages of: the utility model has the advantages that the adjusting rod is connected with the valve seat by screw thread, the screw thread connection has the characteristics of simple structure and convenient operation, when the adjusting rod is screwed, the adjusting rod is enabled to move up and down relative to the valve seat, the opening size of the adjusting rod and the second valve port can be controlled, the control of the discharge capacity of the first opening is realized, the operation of the adjusting process is simple, the screw thread connection is not easy to generate the sliding phenomenon, the adjusting process is stable and reliable, the adjusting valve has the advantages of simple operation, stability and reliability, the inner side of the second sealing ring is sleeved on the valve seat, the outer side of the second sealing ring is sleeved in the valve body, the second sealing ring ensures that the connection sealing property between the valve body and the valve seat is good, the medium can be effectively prevented from leaking outwards along the gap between the valve seat and the valve body, the sealing property is, when the second opening is an inlet, the medium can be effectively prevented from directly entering the first valve port from the sliding spacer bush, if the medium directly enters the first valve port from the sliding spacer bush, the discharge of the medium at the first opening cannot be adjusted, so that the third sealing ring can effectively improve the working reliability of the control valve, the control valve has the advantages of stability and reliability, the second valve port is communicated with the first valve port, when the medium flows from the second opening, the size of the opening at the second valve port can be adjusted through the adjusting rod, the discharge capacity at the first opening is controlled, and the second valve port is used for controlling the discharge capacity of the first opening, the structure is compact and simple, the adjusting process is stable and reliable, the operation is simple, the sleeving structure is simple, the fourth sealing ring is sleeved in the second opening, the sleeving structure is simple, and the fourth sealing ring is convenient to install and replace, its advantage is simple operation.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

fig. 2 is a schematic structural diagram of the present invention.

Wherein: 1-a valve seat; 2-a valve body; 3-adjusting the rod; 4-a first sealing ring; 5-sliding spacer bush; 6-plug; 7-a spring; 8-a second sealing ring; 9-a third sealing ring; 10-a first valve port; 11-a second valve port; 12-a first opening; 13-a second opening; 14-fourth seal ring.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.

As shown in fig. 1-2, a one-way flow regulating control valve comprises a valve seat 1 and a valve body 2, the valve body 2 is fixedly connected with the valve seat 1, an adjusting rod 3 and a first sealing ring 4 are arranged in the valve seat 1, the first sealing ring 4 is sleeved on the adjusting rod 3, the adjusting rod 3 is in threaded connection with the valve seat 1, a sliding spacer 5, a plug 6 and a spring 7 are arranged in the valve body 2, one end of the spring 7 is connected with the plug 6, the other end of the spring 7 is connected with the sliding spacer 5, the sliding spacer 5 is sleeved in the valve body 2, the plug 6 is in threaded connection with the valve body 2, a second sealing ring 8 is arranged on the valve seat 1, the inner side of the second sealing ring 8 is sleeved on the valve seat 1, the outer side of the second sealing ring 8 is sleeved in the valve body 2, a third sealing ring 9 is arranged on the sliding spacer 5, the third sealing ring 9 is sleeved in the sliding spacer 5, a first valve port 10 and a second valve port 11 are further arranged in the valve body 2, the second valve port 11 is communicated with the first valve port 10, a first opening 12 is arranged at the right end of the first valve port 10, the first opening 12 is communicated with the first valve port 10, a second opening 13 and a fourth sealing ring 14 are arranged at the front end of the valve body 2, the fourth sealing ring 14 is sleeved in the second opening 13, and the second opening 13 is communicated with the spring 7.

The working process of the one-way flow regulating control valve is as follows: the first opening and the second opening are communicated with an external pipeline, when a medium flows into the valve body from the first opening, the medium extrudes the sliding spacer sleeve, the sliding spacer sleeve compresses the spring, the sliding spacer sleeve is separated from the first valve port after the spring is compressed, the medium enters the sliding spacer sleeve from the first valve port at the moment, then enters the second opening from the sliding spacer sleeve, and finally is discharged from the second opening, so that the medium is quickly discharged, when the medium flows into the valve body from the second opening, the spring extends and drives the sliding spacer sleeve to move rightwards, the sliding spacer sleeve is propped against the valve body, the sliding spacer sleeve is sealed with the first valve port, the medium flows into the sliding spacer sleeve from the second opening, then flows into the second valve port through the sliding spacer sleeve, then flows into the first valve port through the second valve port, finally flows into the first opening from the first valve port, and finally flows out from the first opening, at the moment, the adjusting rod moves up and down to control the size of the second valve port, can realize controlling the discharge capacity of first opening part, and the second sealing washer makes the leakproofness of being connected between valve body and the disk seat good, can effectually avoid the medium to outwards reveal along the clearance between disk seat and the valve body, the third sealing washer is used for sealing up slip spacer and valve body, when the second opening is the import, can effectually avoid the medium from directly entering into first valve port from the slip spacer, if the medium directly enters into first valve port from the slip spacer, this will lead to the emission of first opening part medium will unable regulation, consequently the operational reliability of third sealing washer can effectual improvement control valve.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a one-way flow control valve, includes disk seat (1) and valve body (2), valve body (2) and disk seat (1) fixed connection, its characterized in that, be provided with in disk seat (1) and adjust pole (3) and first sealing washer (4), first sealing washer (4) cup joint on adjusting pole (3), adjust pole (3) with disk seat (1) threaded connection, be provided with slip spacer (5), end cap (6) and spring (7) in valve body (2), spring (7) one end is connected with end cap (6), the spring (7) other end is connected with slip spacer (5), slip spacer (5) cup joint in valve body (2), just end cap (6) with valve body (2) threaded connection.

2. The unidirectional flow regulating control valve according to claim 1, characterized in that a second sealing ring (8) is arranged on the valve seat (1), the inner side of the second sealing ring (8) is sleeved on the valve seat (1), and the outer side of the second sealing ring (8) is sleeved in the valve body (2).

3. A unidirectional flow regulating control valve according to claim 1, characterized in that a third sealing ring (9) is arranged on the sliding spacer (5), and the third sealing ring (9) is sleeved in the sliding spacer (5).

4. A unidirectional flow regulating control valve according to claim 1, characterized in that a first valve port (10) and a second valve port (11) are arranged in the valve body (2), the second valve port (11) is communicated with the first valve port (10), a first opening (12) is arranged at the right end of the first valve port (10), and the first opening (12) is communicated with the first valve port (10).

5. A unidirectional flow regulating control valve according to claim 1, characterized in that the front end of the valve body (2) is provided with a second opening (13) and a fourth sealing ring (14), the fourth sealing ring (14) is sleeved in the second opening (13), and the second opening (13) is communicated with the spring (7).